CN1257043C - Locking bar for tool - Google Patents
Locking bar for tool Download PDFInfo
- Publication number
- CN1257043C CN1257043C CN 02148741 CN02148741A CN1257043C CN 1257043 C CN1257043 C CN 1257043C CN 02148741 CN02148741 CN 02148741 CN 02148741 A CN02148741 A CN 02148741A CN 1257043 C CN1257043 C CN 1257043C
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- CN
- China
- Prior art keywords
- bar portion
- tool
- encloses
- locking
- engagement groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The present invention relates to a locking bar for tools, particularly to a locking bar for fast and firmly fixing a locking head of the tools so that the locking head has the length extension and is suitable for automatic locking screw tools. The locking bar of the present invention comprises a bar part and a clamping assembly, wherein a geometric equiangular cross section is arranged on one end of the bar part, so the locking bar can be combined with a driving tool for transferring motive power; a combination groove combined with the lock head is arranged on the other end of the bar part; an inner clamping ring is arranged on the combination groove, so the clamping assembly can be combined with the combination groove and can be fixed to the combination groove; the clamping assembly has a middle hole and an elastic ring; the locking head can be penetrated through the middle hole. When the clamping assembly is combined with the combination groove, the elastic ring is fixedly clamped in the inner elastic ring, and/or the maximum external diameter D of the clamping assembly is smaller than or equal to the maximum external diameter d of the locking bar part, the maximum external diameter of the periphery of the combination groove of the bar part is smaller than or equal to the maximum external diameter of the equiangular cross section, and thus, the operation of tools for automatically locking screws is convenient, and the screw locking operation is smooth.
Description
Technical field
The present invention relates to a kind of tool-locking rod, refer to a kind of can fast and firmly the sealed head of instrument being fixed especially, make sealed head have the locking pole that the automatic locking screw tool is extended and be applicable to length.
Background technology
Present commercially available tool-locking rod, more common just like the known configurations shown in Fig. 1～5 and 8.Wherein Fig. 1～3 are first, second and third kind of known tool-locking rod, above-mentioned known first, second and third kind tool-locking rod, its structure is similar, all include bar portion 1, the front end of bar portion 1 is established engagement groove 10, the shape of this engagement groove 10 all matches with the sealed end 20 of sealed head 2, is beneficial to combining closely of 10 of sealed end 20 and engagement grooves.Cell wall 11 at Fig. 1,2 bar portion 1 engagement groove 10 is provided with the engaging hole of bead 12, and this engaging hole of bead 12 can be engaging pearl 13 and installs, and utilizes a sleeve 14 fits (as shown in Figure 1, 2) again; Or as shown in Figure 3, be that the cell wall 11 at engagement groove 10 is processed with a C type catching groove 12A in advance, this C type catching groove 12A is that a C type is buckled 13A and set firmly again.No matter and serve as to engage pearl 13 to install with the engaging hole of bead 12; Or be that a C type is buckled 13A and set firmly with C type catching groove 12A, all must keep activity space and a little elasticity that engaging pearl 13 and C type are buckled 13A, with extracting of convenient sealed head 2 change with plug fixing.As shown in Figure 4, it is the 4th a kind of known structure, as shown in FIG., this kind known configurations is to establish a hole 15 at the engagement groove 10 of bar portion 1, and establish C type catching groove 12A at the cell wall 11 of engagement groove 10 and think that a C type buckles 16 and install, so when desiring to extract or change sealed head 2, need utilize an aid 3 to stretch into from aforesaid hole 15, and upwards pushing tow can take out or change sealed head 2.
But, as above-mentioned four kinds of known configurations, buckle 13A, 16 fixing for making sealed head 2 can be stuck pearl 13 or C type, all need to be processed with snap rings and enclose 21 in the sealed end 20 of sealed head 2, this snap rings is enclosed 21 setting except that the aforementioned function of tool, still have for making engaging pearl 13 buckle 13A, 16 and in C type catching groove 12A, have suitable activity space in the engaging hole of bead 12 or C type, just can make sealed head 2 and 10 of aforementioned engagement grooves combine or extract smooth and easy.
For making engaging pearl and C type fastener that suitable activity space be arranged, and combining or extracting between sealed as described above head 2 and engagement groove is smooth and easy, therefore need make the thickness L of this cell wall 11 remain in the suitable scope, but, the known configurations of Fig. 1～3, because of the external diameter of locking pole too big (more than 7mm) be not suitable for the use of the automatic locking screw tool 4 that wears the nail band, only be fit to general purpose tool---be the utilization of short instrument of locking pole.And structure shown in Figure 4 is to make the external diameter of the bar portion 1 of locking pole can narrow down to aforementioned automatic locking screw tool, painstakingly reduce the external diameter of bar portion 1, after causing sealed head 2 and the engagement groove 10 of bar portion 1 combining, sealed head 2 is subjected to the C type to buckle 16 gripping orientations, arrived and can't hold the degree of extracting with finger, therefore desire to be not easy from sealed head 2 utmost points of engagement groove 10 taking-ups of bar portion 1, so be to need to offer a hole 15 to stretch into, and utilize lever principle that sealed head 2 is ejected as an aid 3 in bar portion.Its shortcoming is the setting of establishing this hole 15, and with destroying the intensity of bar portion 1, when sealed torsion was big, this locking pole 1 caused consumer's loss and burden easily from the position in this hole 15 torsional deformation and fracture.
And for example shown in Figure 5, be the 5th kind of known configurations, this kind known configurations also includes bar portion 1, and front end is established engagement groove 10 in bar portion, and establishes the engaging hole of bead 12 at the cell wall 11 of engagement groove 10, and this engaging hole of bead 12 can be engaging pearl 13 and installs.But a coil tension spring 14 is established in cell wall 11 outsides at engagement groove 10 in addition, and the ring that an end of this coil tension spring 14 is resisted against aforementioned cell wall 11 encloses 111, and the interior ring that spring 14 other ends then are resisted against sliding sleeve 14A encloses 140 places.And make spring 14 between the cell wall 11 of sliding sleeve 14A and engagement groove 10.Be equipped with the C type at the cell wall of aforementioned engagement groove 10 again and buckle 112, and utilize the front bevel ring of sliding sleeve to enclose 141,, make things convenient for the taking-up or the replacing of sealed head 2 so that engaging pearl 13 can get loose with combining of 2 on sealed head in case sliding stop sleeve 14A deviates from.
The 5th kind of known configurations, can be changed easily for making sealed head 2, bar portion 1 at locking pole establishes sleeve 14A in addition, and the outside diameter d 1 of this sleeve 14A causes the locking pole of this kind two assembly types can't apply to automatic locking screw tool 4 obviously greater than the outside diameter d 2 of bar portion 1.
Present employed automatic locking screw tool 4 is the 6th a kind of known configurations, during operation, with screw lock out lock working substance again after, the strength that automatic locking screw tool assembly 42 is replied because of the compression spring is back to the location, but the periphery of locking pole was nail with holes 401 and followed closely ring with holes and enclose 402 coatings this moment, if the locking pole external diameter is too big, cause automatic locking screw tool assembly 42 return difficulties, cause operation to have some setbacks, therefore present employed locking pole external diameter is all the design of little external diameter, and belong to integrated locking pole 1C (shown in Fig. 6～8), though but the integrated locking pole 1C of this kind has sealed benefit smoothly, after the locking part 22 of the sealed head 2 of locking pole 1C was worn, this locking pole 1C promptly need scrap, whole is replaced or abandons, and causes user's use cost to increase and burden.
For this reason, the inventor long-pending design, manufacturing and the research and development experience of Related product are for many years studied at the defective that aforementioned known configurations exists, and invention this case.
Summary of the invention
The technical problem to be solved in the present invention is: little external diameter (7mm the is following) locking pole that provides a kind of utmost point to be suitable for the automatic locking screw tool, it is smooth and easy to have operation, with low cost, each tool-locking rod that only needs to change sealed head reduces user's tool using locking pole cost.
Technical scheme of the present invention is: a kind of tool-locking rod, and it comprises:
Bar portion, an end has for the isogonism section of driven tool binding with transferring power, and the other end is provided with engagement groove;
Sealed head, this sealed head is established sealed end, bar portion before the front end of sealed end has, a locking part be arranged on described before the front end of bar portion, described sealed end combines with the structure groove of above-mentioned bar portion;
The engaging assembly, this engaging assembly has the mesopore of perforation, be provided with at its link that elastic ring encloses and outer shroud encloses, the mesopore of this engaging assembly is placed on above-mentioned sealed head, the engagement groove that its outer shroud encloses with above-mentioned bar portion fastens, wherein outer shroud encloses and can be aid folder and establish, and convenient sealed head and engaging assembly are combined or take out with the engagement groove of bar portion.
Aforesaid tool-locking rod, its king-rod portion engagement groove periphery can be circular or non-circular design, and its maximum outside diameter can be less than or equal to the maximum outside diameter of the other end for the non-circular isogonism section of driven tool transferring power, in the cell wall of engagement groove is established engaging, encircle again and enclose, and the notch of its engagement groove forms taper.
Aforesaid tool-locking rod, wherein, the external diameter of sealed end is greater than preceding bar portion, and the preceding bar portion of sealed head is provided with recessed ring and encloses.
Aforesaid tool-locking rod, wherein, described elastic ring encloses grooving and outer shroud encloses, described sealed head with engage the assembly combination of going ahead of the rest, will engage assembly again and be provided with outer shroud that elastic ring encloses and enclose in the engaging with bar portion engagement groove ring and enclose and combine.
Aforesaid tool-locking rod, wherein, the elastic ring of engaging assembly encloses a grooving.
Aforesaid tool-locking rod, the elastic ring of engaging assembly encloses plural grooving, and the quantity of grooving is then decided on engaging elasticity size.
Characteristics of the present invention and advantage have:
1. tool-locking rod of the present invention includes bar portion, bar portion one end is provided with the non-circular isogonism section that combines with driven tool, with transferring power, and the other end is established engagement groove and external diameter and is less than or equal to the maximum outside diameter of bar portion other end non-circular section and engagement groove and establishes that ring encloses in the engaging, is beneficial to engage setting firmly of assembly.
2. the engaging assembly is established mesopore, and the preceding bar portion that this mesopore can be sealed head wears; Establish elastic ring again and enclose to be beneficial to enclose and combine, and the sealed head of cocaine, prevent from improperly to deviate from the interior ring of aforementioned engagement groove.
3. the present invention's initiative is made of locking pole bar portion and engaging assembly, when sealed head weares and teares because of Locking screw, only needs to change sealed head and gets final product, and uses and reduces user's burden.
Description of drawings
Fig. 1 is first kind of known configurations cutaway view;
Fig. 2 is second kind of known configurations cutaway view;
Fig. 3 is the third known configurations cutaway view;
Fig. 4 is the 4th a kind of known configurations cutaway view;
Fig. 5 is the 5th a kind of known configurations cutaway view;
Fig. 6 is the 6th kind of cutaway view that known configurations combines with the automatic locking screw tool;
Fig. 7 is the 6th kind of enlarged drawing that known configurations combines with the automatic locking screw tool;
Fig. 8 is the 6th kind of action diagram that known configurations combines with the automatic locking screw tool;
Fig. 9 is the embodiment of the invention () exploded view;
Figure 10 is the embodiment of the invention (a two) exploded view;
Figure 11 is bar of the present invention portion cutaway view partly;
Figure 12 is a part cutaway view of the present invention;
Figure 13 engages assembly embodiment () stereogram for the present invention;
Figure 14 engages assembly embodiment () upward view for the present invention;
Figure 15 is the A-A cutaway view of Figure 14;
Figure 16 the present invention engages assembly embodiment (two) stereogram;
Figure 17 the present invention engages assembly embodiment (two) upward view;
The B-B cutaway view of Figure 18 such as Figure 17;
Figure 19 the present invention will engage assembly with aid and combine preceding action diagram with bar portion;
Figure 20 the present invention will engage assembly with aid and combine taking-up action diagram () with bar portion;
Figure 21 the present invention will engage assembly with aid and combine taking-up action diagram (two) with bar portion;
The cutaway view that Figure 22 the present invention combines with the automatic locking screw tool;
The enlarged drawing that Figure 23 the present invention combines with the automatic locking screw tool;
The action enlarged drawing that Figure 24 the present invention combines with the automatic locking screw tool.
The drawing reference numeral explanation:
5, bar portion 60, sealed end 50, engagement groove 51, cell wall
52,72,73, ring encloses
53, notch 6, sealed head 7, engaging assembly 70, elastic ring enclose
71, grooving 72,74, outer shroud enclose 73, descend anchor ring 75, mesopore
The specific embodiment
For fully understanding the present invention, reach specific embodiment now in conjunction with the accompanying drawings and be described as follows:
Shown in Fig. 9,10 and 12, tool-locking rod of the present invention includes bar portion 5, and bar portion 5 is provided with the non-circular isogonism section 55 that is connected with driven tool, and these section 55 external diameters are more than or equal to the maximum outside diameter of front end bar portion periphery 56; And configuration is the outer shape that cooperates the sealed end 60 of sealed head 6 in the engagement groove 50, the groove of this engagement groove 50.Ring encloses 52 in the cell wall 51 of engagement groove 50 is established engaging, and notch 53 formation oblique (taper) rings of its engagement groove 50 enclose.
Establish sealed head 6 again, this sealed head 6 is established sealed end 60, and this sealed end 60 is geometry, and does not process any groove etc. on 60 surfaces, sealed end, can combine with aforementioned rod portion 5.The preceding bar portion 61 of this sealed head 6 establishes locking part 62, and the external diameter of sealed end 60 greater than preceding bar portion 61 situations under, be to be formed with taper portion 63.In addition this sealed head 6 can be as shown in figure 10, establishes recessed ring in preceding bar portion 61 and enclose 64.
Other establishes engaging assembly 7 (shown in Fig. 9,10,12～15), this engaging assembly 7 is established bullet spare ring and is enclosed 70, elastic ring encloses 70 and establishes one or more plural grooving 71, to result from elasticity strength required in the engaging process, and the quantity of grooving 71 is then decided on engaging elasticity size and engaging strength.Elastic ring encloses 70 and establishes outer shroud and enclose 72, this outer shroud enclose 72 in order to the engaging of aforementioned engagement groove 50 in ring enclose 52 and combine, as shown in figure 12, still have can the link closely taper portion 63 of aforementioned sealed head 6 of a little down anchor ring 73, so work as the user and operate automatic locking screw tool 4, screw 41 locked behind the working substance when the backstroke combine closely because of the locking part 62 and the sealed groove 410 of screw 41, therefore screw 41 can produce the strength of outside drawing to sealed head 6, and this measure can prevent sealed head 6 improper getting loose.Establish outer shroud again and enclose 74 and mesopore 75, wherein outer shroud encloses 74 and can be Any shape, be beneficial to aid 76 folders and establish, and the application of force can should engage assembly 7 taking-ups slightly.Aforementioned this outer shroud encloses 74 can be arbitrary shape, wherein again with the conicoid shown in Figure 13～15 for the most desirable.But also can be the shape shown in Figure 16～18; Or arbitrary shape, as long as this engaging assembly 7 not by nail with the support ring of 40 nail with holes 401 enclose 402 block promptly passable.When if desire is changed sealed head 6, need earlier with sealed head 6 with engage assembly 7 (as shown in figure 19) combination of going ahead of the rest, again with hand strength or utilize aid 76 clampings and stress on the engaging assembly 7, to make sealed head 6 and engaging assembly 7 combine, reach the effect that sealed head 6 is combined with bar portion 5 with engagement groove 50.Otherwise desire is taken out sealed head 6, and the outer shroud that only needs aid 76 to be located in the engaging assembly encloses 74, and the application of force can be taken out (shown in Figure 20,21) from bar portion 5 with sealed head 6 slightly.
In addition, the present invention is distinguished into three assemblies with locking pole, i.e. compositions such as bar portion 5, sealed head 6 and engaging assembly 7.Wherein for making the present invention be applicable to automatic locking screw tool 4, bar portion 5 is removed establish the non-circular isogonism section 55 that combines with driven tool, its bar portion periphery 56 can be circle or arbitrary shape, and the maximum outside diameter of this bar portion periphery 56 can be less than or equal to the maximum outside diameter of isogonism section 55, and the maximum outside diameter D that makes engaging assembly 7 equals or less than the maximum outside diameter d of bar portion 5, this measure will help the operation of automatic locking screw tool 4.
Shown in Figure 22～24, the outer diameter D of engaging assembly of the present invention because of less than, or equal the maximum outside diameter d of bar portion 5, make locking pole can drive easily screw 41 pass the nail with 40 nail with holes 401 (as Figure 22, shown in 23), and when screw 41 by after sealed, after locking pole utilizes spring 43 returns (moving member 42 homings before being actually), this moment, locking pole can be return original position (treating the standby position of Locking screw) from nail with 40 nail with holes 401 easily, the absolute problem that is not stuck, this will make the operator use this locking pole in automatic locking screw tool 4 Locking screws follow closely 41 o'clock very smooth and easy, convenient, and it is with low cost, bar portion 5 can fracture damage, need change never, have only when the locking part of sealed head 6 weares and teares, only need to change sealed head 6 and get final product, reduce user's burden.
In sum, the present invention not only has simple structure, practicality, and can make the external diameter of locking pole be applicable to any large and small size, makes the present invention really conform with practical structure.
Claims (6)
1, a kind of tool-locking rod is characterized in that: comprise:
Bar portion, an end has for the isogonism section of driven tool binding with transferring power, and the other end is provided with engagement groove;
Sealed head, this sealed head is established sealed end, bar portion before the front end of sealed end has, a locking part be arranged on described before the front end of bar portion, described sealed end combines with the engagement groove of above-mentioned bar portion;
The engaging assembly, this engaging assembly has the mesopore of perforation, be provided with at its link that elastic ring encloses and outer shroud encloses, the mesopore of this engaging assembly is placed on above-mentioned sealed head, the engagement groove that its outer shroud encloses with above-mentioned bar portion fastens, wherein outer shroud encloses and can be aid folder and establish, and convenient sealed head and engaging assembly are combined or take out with the engagement groove of bar portion.
2, tool-locking rod as claimed in claim 1, it is characterized in that: its king-rod portion engagement groove periphery can be circular or non-circular design, and its maximum outside diameter can be less than or equal to the maximum outside diameter of the other end for the non-circular isogonism section of driven tool transferring power, in the cell wall of engagement groove is established engaging, encircle again and enclose, and the notch of its engagement groove forms taper.
3, tool-locking rod as claimed in claim 1 is characterized in that: the external diameter of sealed end is greater than preceding bar portion, and the preceding bar portion of sealed head is provided with recessed ring and encloses.
4, tool-locking rod as claimed in claim 2, it is characterized in that: described elastic ring encloses grooving and outer shroud encloses, described sealed head with engage the assembly combination of going ahead of the rest, will engage assembly again and be provided with outer shroud that elastic ring encloses and enclose in the engaging with bar portion engagement groove ring and enclose and combine.
5, tool-locking rod as claimed in claim 4 is characterized in that: the elastic ring of engaging assembly encloses a grooving.
6, tool-locking rod as claimed in claim 4 is characterized in that: the elastic ring of engaging assembly encloses plural grooving, and the quantity of grooving is then decided on engaging elasticity size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02148741 CN1257043C (en) | 2002-11-15 | 2002-11-15 | Locking bar for tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02148741 CN1257043C (en) | 2002-11-15 | 2002-11-15 | Locking bar for tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1500595A CN1500595A (en) | 2004-06-02 |
| CN1257043C true CN1257043C (en) | 2006-05-24 |
Family
ID=34233305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02148741 Expired - Fee Related CN1257043C (en) | 2002-11-15 | 2002-11-15 | Locking bar for tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1257043C (en) |
-
2002
- 2002-11-15 CN CN 02148741 patent/CN1257043C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1500595A (en) | 2004-06-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060524 Termination date: 20131115 |